CEREBRAL-CIRCULATION AND OXYGEN-METABOLISM ASSOCIATED WITH SUBCLINICAL PERIVENTRICULAR HYPERINTENSITY AS SHOWN BY MAGNETIC-RESONANCE-IMAGING

被引：124

作者：

MEGURO, K

HATAZAWA, J

YAMAGUCHI, T

ITOH, M

MATSUZAWA, T

ONO, S

MIYAZAWA, H

HISHINUMA, T

YANAI, K

SEKITA, Y

YAMADA, K

机构：

[1] TOHOKU UNIV, SCH MED, TB & CANC RES INST, DEPT RADIOL & NUCL MED, SENDAI, MIYAGI 980, JAPAN

[2] TOHOKU UNIV, SCH MED, CTR CYCLOTRON RADIOISOTOPE, SENDAI, MIYAGI 980, JAPAN

[3] TOHOKU UNIV, SCH MED, DEPT PHARMACOL 1, SENDAI, MIYAGI 980, JAPAN

[4] TOHOKU UNIV, SCH MED, DEPT HOSP & MED CARE ADM, SENDAI, MIYAGI 980, JAPAN

来源：

ANNALS OF NEUROLOGY | 1990年 / 28卷 / 03期

关键词：

D O I：

10.1002/ana.410280313

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

A combined magnetic resonance imaging and positron emission tomography study was performed on 21 patients with cerebrovascular risk factors but without neurological abnormalities. Our purpose was to investigate the hypothesis that periventricular hyperintensity (PVH) reflects ischemia. Periventricular hyperintensity was evaluated with a method we devised, and cerebral circulation and oxygen metabolism were evaluated with the oxygen‐15 steady‐state technique. We concluded that the brain with severe periventricular hyperintensity had abnormal circulation, although oxygen metabolism was not measurably affected. The role of a compensation mechanism under conditions of decreased oxygen supply was considered. Copyright © 1990 American Neurological Association

引用

页码：378 / 383

页数：6

共 44 条

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